Home / 879,906.24-1,320,023.52-400,168.80

Finding the Fourth Proportional to 879,906.24, 1,320,023.52 and 400,168.80

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Solution

The fourth proportional to 879,906.24, 1,320,023.52 and 400,168.80 is: 600,327.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,906.24 : 1,320,023.52 = 400,168.80 : x
  2. Step 2: Convert to fraction form
    879,906.24/1,320,023.52 = 400,168.80/x
  3. Step 3: Cross multiply
    879,906.24x = 1,320,023.52 × 400,168.80
  4. Step 4: Simplify right side
    879,906.24x = 528,232,227,970.18
  5. Step 5: Solve for x
    x = 528,232,227,970.18/879,906.24
  6. Step 6: Final answer
    x = 600,327.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.